Intel Core i7 13700T 's Advantages
Released 4 years late
Better graphics card performance
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 9MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 9400 's Advantages
Higher base frequency (2.9GHz vs 1.4GHz)